Tryptophan is an essential amino acid that your body doesn’t produce, so it must be obtained from food. Although turkey is a well-known source of tryptophan, many other foods also contain a good ...

You’ve probably heard that turkey meat is dripping with a sleep-inducing chemical called tryptophan. And while it’s true the stuff plays a part in sending your brain into slumber, saying it ...

L-tryptophan is an essential amino acid that helps the body make proteins and certain brain-signaling chemicals. Your body changes L-tryptophan into a brain chemical called serotonin. Serotonin ...

Specifically, researchers claim to have identified the role of a chemical called tryptophan. Tryptophan is an essential amino acid, a building block of protein that we obtain through our diets ...

Tryptophan is an essential amino acid—meaning it must be obtained from diet—that is found in many proteins. Tryptophan is ...

Tryptophan is an essential amino acid required for the synthesis of serotonin, a neurotransmitter that governs mood, appetite, and sleep. Even though tryptophan is present in a variety of foods ...

Tryptophan — an amino acid that helps produce serotonin — can be found in lots of delicious, diet-friendly fare. “Foods like turkey, eggs, nuts and seeds help produce serotonin, which ...

What you eat during the day can affect how well you sleep at night. Sleep researchers explain the impact of diet, caffeine ...

The following is a summary of “Tryptophan–kynurenine metabolites associate with inflammation and immunologic phenotypes in common variable immunodeficiency,” published in the May 2025 issue of Journal ...